To create a simulation of 20,000 sheep grazing in an isolated valley, a scientist needs to determine the average amount of grass eaten per day by an actual sheep. which of the following is the best course of action for establishing this parameter?
a. divide the total amount of grass eaten by all sheep in the valley by 20,000.
b. determine the average daily grass consumption for 20 randomly selected sheep.
c. choose a random value to use as the daily amount of grass eaten by one sheep.
d. measure the amount of grass eaten per day by a single sheep.

Hurry i need your (100 points) 1) what are the responsibilities of the region of the brain highlighted below? (picture located below) the highlighted portion is at the rear base of the brain, behind the brain stem. regulating homeostasis, hunger and eating, thirst and drinking, and many other functions of basic survival. coordinating movement and balance by using information from sensory nerves, including hand-eye coordination. controlling voluntary body movements, processing information from sense organs, thoughts, and learning abilities. regulating important involuntary bodily functions such as blood pressure, heart rate, breathing, and swallowing. 2)which of the following systems or structures is correctly paired with its function? neurons - brain cells that control thoughts, calculations, and memory cerebral cortex - portion of the brain that controls involuntary body movement peripheral nervous system - carries impulses to and from the central nervous system central nervous system - carries information from the nerves to the muscles and glands